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#ifndef FEATUREMODEL_H
#define FEATUREMODEL_H

#include <QtGui/QStandardItemModel>

// TODO
/**
 * Feature
 */
struct Feature {
    double value;
    int type;
};

/**
 * Feature list
 */
typedef QList<Feature> Features;

/**
 * Feature type
 */
typedef int FeatureType;

/**
 / Feature type list
 */
typedef QList<FeatureType> FeatureTypes;

Q_DECLARE_METATYPE(Features);

/**
 * Item list
 */
typedef QList<QStandardItem *> ItemList;

/**
 * Item table
 */
typedef QList<ItemList> ItemTable;

/**
 * Feature model
 */
class FeatureModel : public QStandardItemModel
{

Q_OBJECT

public:

    /**
     * constructor
     */
    explicit FeatureModel(QObject *parent = 0);

    /**
     * Gets model index
     * @param row row
     * @param col col
     */
    QModelIndex modelIndex(const int row, const int col, QStandardItemModel *model = 0);

    /**
     * Sets feature into model
     * @param index model index
     * @param data feature data
     */
    bool setFeature(const QModelIndex &index, const QVariant &value, QStandardItemModel *model = 0);

    /**
     * Sets feature into model
     * @param row row
     * @param col col
     * @param data feature data
     */
    bool setFeature(const int row, int const col, const QVariant &value, QStandardItemModel *model = 0);

    /**
     * Gets feature from model
     * @param index model index
     * @return feature data
     */
    QVariant feature(const QModelIndex &index, QStandardItemModel *model = 0);

    /**
     * Gets feature from model
     * @param row row
     * @param col col
     * @return feature data
     */
    QVariant feature(const int row, int const col, QStandardItemModel *model = 0);

    /**
     * Sets features
     * @param features features
     */
    void setFeatures(const ItemTable &features);
};

#endif // FEATUREMODEL_H
